chromium/components/download/internal/background_service/scheduler/device_status_listener_unittest.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/download/internal/background_service/scheduler/device_status_listener.h"

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/test/power_monitor_test.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/download/internal/background_service/scheduler/battery_status_listener_impl.h"
#include "components/download/network/network_status_listener_impl.h"
#include "services/network/test/test_network_connection_tracker.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

_;
InSequence;
ConnectionType;

namespace download {
namespace {

MATCHER_P(NetworkStatusEqual, value, "") { … }

MATCHER_P(BatteryStatusEqual, value, "") { … }

class MockObserver : public DeviceStatusListener::Observer { … };

class TestBatteryStatusListener : public BatteryStatusListenerImpl { … };

// Test target that only loads default implementation of NetworkStatusListener.
class TestDeviceStatusListener : public DeviceStatusListener { … };

class DeviceStatusListenerTest : public testing::Test { … };

// Verifies the initial state that the observer should be notified.
TEST_F(DeviceStatusListenerTest, InitialNoOptState) { … }

// Verifies two Start() call will only do initialization for once, and the start
// delay should be refreshed based on a later Start() call.
TEST_F(DeviceStatusListenerTest, DuplicateStart) { … }

TEST_F(DeviceStatusListenerTest, TestValidStateChecks) { … }

// Ensures OnNetworkStatusReady() will update internal data correctly when
// network connection is updated asynchronously.
TEST_F(DeviceStatusListenerTest, OnNetworkStatusReadyAsync) { … }

// Ensures the observer is notified when network condition changes.
TEST_F(DeviceStatusListenerTest, NotifyObserverNetworkChange) { … }

// Ensures the CONNECTION_UNKNOWN is treated correctly on non-Android.
TEST_F(DeviceStatusListenerTest, ConnectionUnknownTreatedCorrectly) { … }

// Ensures the observer is notified when battery condition changes.
TEST_F(DeviceStatusListenerTest, NotifyObserverBatteryChange) { … }

// Verify a sequence of offline->online->offline network state changes.
TEST_F(DeviceStatusListenerTest, OfflineOnlineOffline) { … }

// Verify a sequence of online->offline->online network state changes.
TEST_F(DeviceStatusListenerTest, OnlineOfflineOnline) { … }

}  // namespace
}  // namespace download